Fig. 3From: Genetic dissection of fruit maturity date in apricot (P. armeniaca L.) through a Single Primer Enrichment Technology (SPET) approachGenetic structure of the apricot accessions panel. A Population structure estimated for K (number of a priori cluster) equal to 2 (A) and 4 (B). Scatter plot of the first two principal components (Dim1 and Dim2) of the genetic relationship matrix. Red and green colors indicate the two subpopulations (cluster I and II), respectively. Parenthesis report the explained varianceBack to article page